Computed tomography ct or cat scan of the brain johns. Lp riccelli works closely with ohsu ct techs in the art of creating optimal images from current technology. Evaluation of subdural hematoma, epidural hematoma, stroke, bleed, headaches, initial workup of acute or changing dementia, mental status changes, fractures, trauma, shunt malfunction, new onset of seizures particularly in adults hydrocephalus. Stroke ct angiography cta chapter 4 59 of willis often obviating the need for further evaluation by mr angiography or ultrasound. Trauma clinical guideline head injury in anticoagulated patients the trauma medical directors and program managers workgroup is an open forum for designated trauma services in washington state to share ideas and concerns about providing trauma care. Ct protocols for common primary care diagnoses lacey j. Neck and brain ct angiography ct angiography of the neck is typically set up only from the aortic arch to c1 level, while ct angiography of the brain ranges only from the c1 level to the circle of willis or to the vertex. Ct perfusion in ischemic stroke radiology reference. Remember that if you change parameters for any series in a multiphase study, you must make the same changes to the other series in that exam. The presence of metallic dental implants can also introduce artefacts into brain images, not only when ct is used to determine the attenuation map in pet ct, but also when a standard positron source is employed for attenuation correction. A ct of the brain is a noninvasive diagnostic imaging procedure that uses special xrays measurements to produce horizontal, or axial, images often called slices of the brain. Fdg pet ct continued page 2 of 8 for all brain petcts, the patient should be in a quietdarkened room during the uptake phase.
For any given ct examination, the protocol will vary according the individual requirement of the imaging site. Society of nuclear medicine procedure guideline for fdg. Eanm procedure guidelines for pet brain imaging using 18f. Slice counts dual source, 320 slice, 256 slice, 128 slice, 64 slice, 16 slice, 4. Updated mild traumatic brain injury guideline for adults this guideline is based on the 2008 mild tbi clinical policy for adults, which revises the previous 2002 clinical policy. Before the arrival of the patient the entire stroke team must keep in mind that time is brain and that everything should be prepared for when the patient arrives. The brain axial mode protocol was changed from 20 mm to 10. In the report page, export saved images and collage.
Society of nuclear medicine procedure guideline for fdg pet brain imaging. Developing dose and protocol monitoring from scratch ingrid reiser, phd dabr. This is useful when assessing a patient for treatment. A suspicion of ventriculoperitoneal shunt failure is classified as the most common indication for ct in children with hydrocephalus. Acrasnrspr practice parameter for the performance of. Send the 3 or 4 sets of reformatted images to the ct folder. Uses a special computer system for imageguided surgeries.
Not to be copied, distributed, or reproduced without prior. Inability to cooperate with spect or spect ct brain imaging. Special considerations for prot ocols in ct simulation process. Head ct approach first evaluate normal anatomical structures, window for optimal brain tissue contrast second assess for signs of underlying pathology such as. Pediatric head ct open questions how many protocols and at what agesize ranges. Brain imaging ct brain imaging may be performed with a sequential singleslice technique, multislice helical spiral protocol, or multidetector multislice algorithm 111,112. A nationwide survey of ct operators was carried out in. Head brain without and with iv contrast usually only ordered if the patient is contraindicated for an mri. Whenever i give a lecture or presentation the most commonly asked question is whats your protocol. To help improve diagnosis, treatment, and outcomes for patients with mild tbi, it is critical that you become familiar with this guideline. Ctp scanning protocol ctp is an approximately 1min dynamic acquisition of a contrast bolus passing through the brain.
Pdf the choice of scanning protocol in ct will affect the dose delivered to the patient. Created december 2, 2014 ctv head with iv contrast img 14312 scan mode. Aqone 320 scanner only use helical option when aqone is not available. We also enhance the ct protocols with select instructive cases. The canadian ct head injurytrauma rule clears head injury without imaging. Ct angiography of the combined neck and brain for acute stroke imaging protocol covers from the. Center the table height such that the external auditory meatus eam is at the center of the gantry.
Diagnostic test accuracy protocol computed tomography ct angiography for con. Radiography imaging standards manual orthopedic msk protocol trauma x protocol. Ct perfusion in ischemic stroke has become established in most centers with stroke services as an important adjunct, along with ct angiography cta, to conventional unenhanced ct brain imaging it enables differentiation of salvageable ischemic brain tissue the penumbra from the irrevocably damaged infarcted brain the infarct core. This management guideline is based on aceps 2008 clinical policy for adult mild traumatic brain injury mtbi external, which revises the previous 2002 clinical. Export to pdf and upload individually tracks protocol version. Ct protocols in radiation therapy department the role of the ct in radiotherapy department. It is the dedication of healthcare workers that will lead us through this crisis. Brigham and womens hospital, boston, ma updated september 2016 download pdf. The table shows an overview of some of the ct protocols, that we use click to enlarge. The patient should stay awake with eyes open and rest.
Factors that infl uence a specifi c sites protocol parameters include the type of equipment available e. This acquisition is summarized on ct perfusion maps that show di. Employing these guidelines helps providers enhance quality of care and contribute to the most efficacious use of radiology. Acr ct dose index registry brain exam wo iv contrast age range years mean ctdivol mgy 02 30 36 36 710 45 1114 49 1518 55.
It outlines ct protocols for diagnostic imaging currently applied to ou ct scanners. Mcintosh do, mph university of massachusetts medical center unecom 2014 cme programreunion and alumni weekend. This page is for physicians, inside and outside this institution, and ct technologists. Please consult manufacturer specific protocols below if a scan mode is not recommended, this will be noted. Confirm the images have passed to the transmission queue. Also send the ap and lateral scout images to the ct folder. Eanm procedure guidelines for pet brain imaging using 18ffdg, version 2. Trauma clinical guideline head injury in anticoagulated. Volume mode 4d helical option for this protocol on page 2. Standard imaging protocols this document includes typical imaging protocols for diagnostic imaging. Computed tomography ct angiography for confirmation of. Brain ct scans can provide more detailed information about brain tissue and brain structures than standard xrays of the. Computed tomography ct scanners have become markedly more complex over the past three decades, with a myriad of new options for performing ct examinations.
Scan supine 1mm axial or helical slices through the sinuses. In this table only specific protocols are summarized, since most institutions have their own standard protocols. Mr ct protocols for common diagnosis head brain acute onset headache ct without contrast acute trauma acute stroke ro bleed tumorinfection if contraindication to mri ct with contrast dizziness mri without contrast tiastroke evaluation mra also. Patient should be supine, head first into the gantry, with the head in the headholder whenever possible. They are due to the presence of strongly attenuating objects in the fieldofview. Find protocols for performing head ct scans at rhode island hospital, also welcoming massachusetts patients. Once all images are sent to the pacs, end the requisition. They are based on a 64slice scanner but can be used for any ct scanner independent of manufacturer.
Any information contained in this pdf file is automatically generated from digital material submitted to epos by third parties in the form of scientific presentations. Ct protocols for revolution discovery ct discovery ct750. The purpose of these ct protocol pages is to provide a reference for radiology residents, fellows and technologists when prescribing a ct examination. The main target of the study was to evaluate the diagnostic value of a lowdose protocol and to compare a total dlp received by patients in compared protocols. The workgroup meets regularly to encourage communication among services, and to share best. Ct protocols for brain imaging should be designed to answer the specific.
Ct scan protocols, ct protocols by manufacturer ge, siemens, phillips, toshiba. The injection rate was changed to 4 ccsec for the cta headneck protocols. Must for every physician ct head is an extremely useful diagnostic tool. Diamox head cta perfusion study broad beam patient position ioml perpendicular to table top. Preload specific ct protocols on individual ct scanners to. Routine abdomenpelvis please note that the routine abdomenpelvis protocol serves as a starting point for many examinations. A known hypersensitivity to the active substance or to any of its excipients. Pdf a survey of routine head ct protocols in australia. In particular, metal artefacts are a major problem in ct. Updated mild traumatic brain injury guideline for adults. Ct scans and iv contrast radiographic iodinated contrast utilization in adults. Brain 3d brain axial brain cta brain helical adult brain.
Brain ct scans can provide more detailed information about brain tissue and brain structures than standard xrays of the head, thus providing more data related. Cdc and the american college of emergency physicians acep external convened an expert panel to develop an updated mild traumatic brain injury management guideline for adults. To help answer those questions we have put together our protocols as well as adding ct scan protocols from other institutions that we thought might prove useful. Ct body chest colonography prep musculoskeletal neuro pedi protocols. Neuro ct protocols brain brain 1 basic indications o trauma, screen for altered mental status, dementia, psychiatric disorder, headaches, hydrocephalus sequences o axial sections without contrast comments o scans should be parallel to the canthomeatal. Although complete postprocessing of the entire neurovascular system is typically performed of. Reformationmips generated from subtracted stack head or helical head ctv. Ct brain with contrast 70470 o melanoma o hiv o toxoplasmosis ct head, brain without and with contrast 70480 o traumaright or left o fractureright or left o foreign body ct orbit without contrast 70480 o hearing loss, conductive o cholesteatoma o mastoiditis o trauma for sensory neuro hearing loss, order mri with contrast ct inner ears. For ct of the brain, contiguous or overlapping axial slices should. Given the rapid evolution of ct technology in the past decade, the number of applications for ct has expanded greatly and the techniques for performing the optimal exam have also increased.
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